Question

9 13/19+(8 13/19-3 15/19)

Answer 1

$9 frac{13}{19} +(8 frac{13}{19} -3 frac{15}{19} )= 9 frac{13}{19} + ( 7 frac{32}{19} -3 frac{15}{19} )= 9 frac{13}{19} + 4 frac{17}{19} = 14 frac{11}{19}$

Answer 2

в скобках получиться 4 17/19